This post will be about colour rendition charts, e.g.,
X-Rite ColorChecker Classic, their usage and its dangers. It was a long time
coming and some discussions accelerated the authoring. If you are in a hurry
and do not want to read the entire post, the TLDR is as follows:
Unless you have all the relevant spectral measurements, a colour
rendition chart should not be used to perform colour-correction of camera
imagery but only for white balancing and relative exposure adjustments.
There is granularity in everything, and we will present, in the conclusion,
some contexts when performing colour-correction is a good idea.
Read more…